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AN ALGEBRA WHOSE SUBALGEBRAS ARE CHARACTERIZED BY DENSITY
Published online by Cambridge University Press: 22 July 2015
Abstract
We refine a construction of Choi, Farah, and Ozawa to build a nonseparable amenable operator algebra ${\rm {\cal A}}$ ⊆ ℓ∞ (M2) whose nonseparable subalgebras, including
${\rm {\cal A}}$, are not isomorphic to a C*-algebra. This is done using a Luzin gap and a uniformly bounded group representation.
Next, we study additional properties of ${\rm {\cal A}}$ and of its separable subalgebras, related to the Kadison Kastler metric.
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- Copyright © The Association for Symbolic Logic 2015
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